I am using only one sync source.
zaptel.conf
# ChannelBank 1 span=1,0,0,esf,b8zs fxoks=1-24
# ChannelBank 2 (Empty) span=2,0,0,esf,b8zs fxoks=25-48
# Empty - Loopback is plugged here! span=3,0,0,ccs,hdb3,crc4 bchan=49-63,65-79 dchan=64
# Telco1 - Intelig #span=4,1,0,ccs,hdb3,crc4 -> Funcionou com a PRI Telemar sem Alarmes span=4,0,0,ccs,hdb3,crc4 bchan=80-94,96-110 dchan=95
# Ambients fxsks=111-113
And about interruptions it is ok. I'm not sharing it.
Andrew Kohlsmith wrote:
On March 2, 2005 04:49 pm, Alex G Robertson wrote:
When I configure zaptel with no external clock, E1 gets aligned/synchronized with bit rate in 2048000 bps, both me and telco. span=4,0,0,ccs,hdb3,crc4
What are the other spans connected to, and what are their span= lines?
I have another PRI circuit used for data connections from Telco2 and I used it for testing. Telco2 (Telemar) do not send alarms and I sync to then.
Asterisk cards can only sync to one source per CARD. So if you have a TE410P in there and you're trying to sync to two telcos, it won't work. Now granted, the telcos should all be pretty damn solid for timing and using one over the other shouldn't cause frame slips but this is the nature of the Digium multiport T1/E1 cards. You would need to use two cards (at double the interrupt rate) or try to convince one telco to sync to you. I'd be surprised if you'll get the latter one to occur. :-)
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-- Alex G Robertson NOC - Microlink
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